divijvaidya commented on code in PR #15472:
URL: https://github.com/apache/kafka/pull/15472#discussion_r1513268220
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core/src/main/java/kafka/log/remote/RemoteLogManager.java:
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@@ -707,6 +708,8 @@ public void copyLogSegmentsToRemote(UnifiedLog log) throws
InterruptedException
this.cancel();
} catch (InterruptedException | RetriableException ex) {
throw ex;
+ } catch (CorruptIndexException ex) {
+ logger.error("Error occurred while copying log segments. Index
appeared to be corrupted for partition: {} ", topicIdPartition, ex);
Review Comment:
I am assuming that the way this error will be monitored is by creating an
alarm on `RemoteCopyLagSegments` [1]. Is that right?
Can you also please why shouldn't we increment the
`failedRemoteCopyRequestRate` and `failedRemoteCopyRequestRate` metric that are
being incremented in catch exception below?
[1] https://kafka.apache.org/documentation.html#tiered_storage_monitoring
##########
storage/src/main/java/org/apache/kafka/storage/internals/log/TimeIndex.java:
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@@ -75,13 +75,14 @@ public void sanityCheck() {
TimestampOffset entry = lastEntry();
long lastTimestamp = entry.timestamp;
long lastOffset = entry.offset;
- if (entries() != 0 && lastTimestamp < timestamp(mmap(), 0))
- throw new CorruptIndexException("Corrupt time index found, time
index file (" + file().getAbsolutePath() + ") has "
- + "non-zero size but the last timestamp is " + lastTimestamp +
" which is less than the first timestamp "
- + timestamp(mmap(), 0));
+
if (entries() != 0 && lastOffset < baseOffset())
throw new CorruptIndexException("Corrupt time index found, time
index file (" + file().getAbsolutePath() + ") has "
+ "non-zero size but the last offset is " + lastOffset + "
which is less than the first offset " + baseOffset());
+ if (entries() != 0 && lastTimestamp < timestamp(mmap(), 0))
Review Comment:
I am assuming that the reason of moving this down is to use the less
expensive validation first?
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